Key board for electronic cash register



FIG. 1 is a perspective view of the key board for electronic cash register showing our new design;

FIG. 2 is a right-hand side elevational view thereof, the left-hand view being identical;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof; and

FIG. 6 is a rear elevational view thereof. 

The ornamental design for a key board for electronic cash register, as shown and described. 